The cost of a field trip is $220 plus $7 per student. If the school can spend at most $500, how many

Discussion in 'Calculator Requests' started by math_celebrity, Dec 13, 2016.

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    math_celebrity Administrator Staff Member

    The cost of a field trip is $220 plus $7 per student. If the school can spend at most $500, how many students can go on the field trip?

    Set up the inequality where s is the number of students:
    C(s) = 220 + 7s

    We want C(s) <= 500, since at most means no more than
    220 + 7s <= 500

    Using our inequality calculator, we get:
    s <= 40


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